[Primary vertebral sarcomas; three cases].
D001859:Bone Neoplasms; D006801:Humans; D009369:Neoplasms; D012516:Osteosarcoma; D012509:Sarcoma; D013131:Spine
SARCOMA, OSTEOGENIC; SPINE/neoplasms
Sarcomes vertébraux primitifs a propos de trois cas.